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प्रश्न
Explain the following:
Cold water has no action on aluminium.
उत्तर
Cold water has no action on aluminium while burning aluminium decomposes steam.
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संबंधित प्रश्न
State on what special properties the use of each of these metals depends:
aluminium
State the use of:
cast iron
Name the following:
The chief metal present in magnalium and duralumin
Name one metal occurring as a : Halide ore
Write the name and formula of two ores of the following: Iron
What is an alloy? Give three reasons why alloys are made.
Name a metal which occurs free in nature.
Give the name and formula of an ore of zinc.
What in addition to a zinc compound, is put into the furnace? State one large scale use of zinc.
Write the equation for the reaction of zinc of the following: Copper sulphate solution
The common method of the extraction of metal from the oxide ore is:-
